Road drag



H. HOLTJE July 10, 1934.

ROAD DRAG Filed Sept. 13. 1955 INVENTOR.

[fer/22mm floly'e W M k ATTORMEY.

Patented July 10, 1934 UNITED STATES PATENT OFFICE 3 Claims.

My invention relates to improvements in road drags.

The object of my invention is to provide an inexpensive structure to manufacture and one that may be conveyed at a high rate of speed along a road bed without chattering or throwing dirt or gravel excessively.

A further object of my invention is to provide a series of bars slantingly positioned and rock-- ably arranged to vary the angle with respect to the drags line of travel.

A still further object of my invention is to provide a road drag to move dirt or gravel in opposite directions as means to fill rats from each side thereof as the drag moves longitudinally therewith, and also to fill depressions and a troweling element to smooth and pack the filling.

A still further object of my invention is to provide a drag having adjustments for the position of the troweling or leveling elements to follow the ground leveling devices and carried by the drag.

These and other objects will hereinafter be more fully explained, reference being had to the accompanying drawing forming a part of this specification, and in which like characters will apply to like parts in the different views.

Referring to the drawing:

Fig. 1 is a plan view of the drag, parts removed for convenience of illustration.

Fig. 2 is a side view of Fig. 1.

Fig. 3 is an enlarged-detail view of the standard carrying the frame and leveling bar pivoted to the standard.

Fig. 4 is a transverse view of Fig. 3.

Fig. 5 is a modification of the leveling bar.

Fig. 6 is an enlarged detail rear view of the trowel support.

Fig. 7 is a transverse view of Fig. 6 showing more clearly the adjustments for a rocked position of the trowel.

The component parts of the drag and their function consists of a pair of beams 1-1 in parallelism and to which a pair of beams 2-2 transversely crossing near the center and spaced apart are attached. In connection therewith is a pair of diagonally positioned braces 3-3 secured to the last said beams to avoid canting of the same from a rectangular form.

Positioned near the end portions of beams 1-1 are cross beams 4 and. 5. Each of the said beams have elongated slots 6-6 and 7-7 longitudinally positioned with their respective beams, the slots 6-6 in beams 1-1 cross the slots 7-7 in beams 4 and 5 respectively and have a bolt 8 to engage in each crossing pair to bind the said beams together at a selected point which governs the slant of bars 9 with respect to the line of travel of the drag.

Downwardly extending from beams 2-2 and 4 and 5 and spaced therealong is a plurality of U-shaped standards 10 secured thereto as shown in Figs. 3 and 4, the lower end of which pivotally engages their respective ends of bars 9 as shown in Figs. 2, 3, and 4, by which means the said bars are free to rock to a desired angle and secured as above stated.

Secured to the underside of rearwardly extending ends of beams 1-1 is a T-shaped standard 11 downwardly extending as shown'in Figs. Band '7. The lower end 'of each standard is out slanting upward and toward the drag body to permit an upward swing of the trowel element 12 that is hingedly connected to the said standards by a pair of ears 13 spaced apart to receive the web A of the standard. Said ears are secured near the rear edge of the trowel by welding or riveting the same to receive the web A of their respective standard and rockably secured-thereto by a pin 14. To the other edge of the trowel and in close proximity to the standard is a rod 15 pivotally connected as at 16, said rod vertically extending thru an aperture in the said beams 1-1 and being threaded to engage nuts 17 on each side of the beams, by which means the said trowel when rocked to a desired position is locked by tightening the nuts securely on each side of the beam.

According to the texture and moisture of the road bed, the slant of the trowel may be varied as its function is to smooth and pack the dirt or gravel in depressions or ruts along the road bed coacting with bars 9 the function of which is diiferent.

On the other end of the said beams 1-1 is a bail 18 as attaching means for the drag to a vehicle as conveying means therefor, and while I have shown but two sections of rockably arranged leveling bars, others may be attached in reverse position as shown.

To avoid the front ends of beams 1-1 moving toward each other by tension of the bail, I have placed a strut member 19 between the said beams securing the ends firmly thereto, substantially as shown.

In dragging roads that are of the natural dirt and subject to deep mutilation by travel during mud conditions, I have arranged L-shaped bars 20 as shown in Fig. 5 to substitute for bars 9, the short leg as at B vertically positioned and along 110 the front edge of which with respect to the line 1. In a road drag, a pair of beams in parallel-,

ism and longitudinally positioned of the drag, a pair of beams spaced apart transversely secured to the first said beams, and beams transversely positioned and adjustably carried near the ends of the first said beams, a plurality. of bars extending in opposite directions obliquely, the adjacent ends pivotally carried by the second said beams respectively, the other ends of the bars pivotally carried by their respective last said beams, means to secure the last said beams in a position for the desired oblique angle of the bars with respect to the second said beams, and a troweling element adjustably carried near the ends of the first said beams, and a bail secured to the other ends of the first said beams as a hitch to a conveying means for the drag.

2. In a road drag, a pair of beams in parallelism and having an elongated slot near each end of both beams longitudinal therewith, a beam having an elongated slot near each end thereof at one end of the first said beams, and a similar beam for the other ends, and means slidable in the said slots to connect the beams when adjusted when the transverse bearnsare moved, a plurality of bars for each of the second said beams spaced therealong and having one end pivotally connected, a pair of beams intermediately positioned to the second said beams rigidly secured to the first said beams in parallelism, the other end of the said bars pivotally attached to'their respective intermediate bars, by'which means the angle of the said bars with respect to the drag is adjusted longitudinally by moving the second said beams, a troweling element carried by one end of the first said slotted beams, and means to rock the said troweling element upward from a horizontal element with respect to a horizontal position, means to convey the drag longitudinally in the path of the first said slotted beams.

3. In a road drag, a pair of beams spaced apart and longitudinal with the line of travel of the drag, a pair of beams intermediately positioned and secured to the first said beams and braced diagonally, a slotted beam near each end of the first said beams, and means to connect the same adjustably thereto, a plurality of standards spaced along the intermediate beams and the last said slotted beams, a bar pivotally carried bythe lower ends of the standards secured to each of the last said slotted beams and the intermediate beam adjacent thereto respectively, by which means the bars may be rockedto a desired angle with respect to the drags line of travel, a standard secured to the rearwardly extending portions of each of the first said slotted beams, and-a troweling element hingedly connected to each of the standards, and means to rock one edge of the trowel to and from a horizontal plane with respect to a cross section thru the trowel, all as and for the purpose specified. r

r 'I-IERMANN HOLTJE. 

